You cannot find a starter in the wild.
You have to trade a starter to another Pokemon white or black game then trade the Pokemon back.
Yes, you do get to choose a starter Pokemon in Pokemon Black and White Versions.
It is one of the three starter Pokemon
No.
oshawott!
No
you should get Pokemon white and choose TEPIG AS your starter.
Yes
The Starter Pokémon in Pokémon Black 2 and Pokémon White 2 are Oshawott, Tepig and Snivy.
You cant
you could get them any where with an AR
Level 5